Data related to number of candidates appearing for an entrance test from various cities What is the respective ratio of the number of students appearing for the entrance test from cities B, C and F in the year 2012 to the number of students appearing for the entrance test in the year 2013 from the same cities?
A) 18 : 19
B) 15 : 16
C) 11 : 12
D) 17 : 20
Correct Answer: D
$ \therefore $ Required ratio $ =85:100=17:20 $